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How to Choose a Magnetic Speed Sensor

Online Catalog | AI-Tek (formerly AIRPAX) Magnetic Speed Sensors |  How to Choose a Magnetic Speed Sensor

Choosing a Passive Magnetic Speed Sensor

Here are the steps to choose the correct magnetic speed sensor for your application:

(1) Choose either Passive or Active (Hall Effect) type Magnetic Speed Sensor - this depends on the application If the top RPM is under 100 RPM then use a Hall Effect Sensor as this sensor's output is independent of sensing gear speed or shaft rotation speed.

(2) Check the input voltage requirements of the instrument or module that will receive the electrical pulse signal from the sensor. The electrical signal at the receiving instrument must be greater than the minimum +1 logic state. When the voltage pulse exceeds the +1 logic state, the instrument (tachometer) will count the pulse. Choose a magnetic speed sensor that has the correct output voltage for your receiving instrument or tachometer.

(3) Choose Thread Size and Length

(4) Choose the classification - do you need FM or UL approval for hazardous areas?

(5 Choose the application - General Purpose, High Sensitivity, Power -

(6) Pick the type of connector.

(7) Choose the Mounting Bracket and Sensing Gear ( if required)

(8) Choose the Tachometer (Note - all AI-Tek Process Tachometers feature the correct input voltage specifications for all passive and Hall Effect magnetic speed sensors.

(9) Need Assistance? Call Pierre Grimes - Engineering Consultant - 248-388-2543

Click here for Principles of Operation

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